<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head>
<body>
<div id="d" style="background:#CCC; width:100px; border:5px solid black; padding-top:10px;">
	<div style="float:left; width:50px; height:50px; background:#666;">FLOAT</div>
	<div style="clear:left; background:#999;"></div>
	<div style="float:left; width:50px; height:50px; background:#666;">FLOAT</div>
	<div style="clear:left; background:#999;"></div>
</div>
<div style="background:#CCC; border:5px solid black; padding-top:10px;">
	<div style="float:left; width:50px; height:50px; background:#666; padding:0; margin:0;">FLOAT</div>
	<div style="clear:left; background:#999; padding:0; margin:0;"></div>
	<div style="float:left; width:50px; height:50px; background:#666;">FLOAT</div>
	<div style="clear:left; background:#999; padding:0;"></div>
</div>
<div style="background:#CCC; zoom:1; border:5px solid black; padding-top:10px;">
	<div style="float:left; width:50px; height:50px; background:#666; padding:0; margin:0;">FLOAT</div>
	<div style="clear:left; background:#999; padding:0; margin:0;"></div>
	<div style="float:left; width:50px; height:50px; background:#666;">FLOAT</div>
	<div style="clear:left; background:#999; padding:0;"></div>
</div>

</body>
</html>